Reference
Jérôme Bolte, Aris Daniilidis, Adrian Lewis, and Masahiro Shiota, “Clarke Subgradients of Stratifiable Functions”, SIAM Journal on Optimization, vol. 18, n. 2, 2007, pp. 556–572.
Published in
SIAM Journal on Optimization, vol. 18, n. 2, 2007, pp. 556–572